A river runs through desert agriculture
نویسندگان
چکیده
منابع مشابه
A barrier runs through it... or maybe just a river.
During my residence in the Amazon district I took every opportunity of determining the limits of species, and I soon found that the Amazon, the Rio Negro and the Madeira formed the limits beyond which certain species never passed. The native hunters are perfectly acquainted with this fact, and always cross over the river when they want to procure particular animals, which are found even on the ...
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Background: The PTEN (Phosphatase and Tensin homolog deleted on chromosome Ten) tumor suppressor gene is frequently mutated or deleted in a wide variety of solid tumors, and these cancers are generally more aggressive and difficult to treat than those possessing wild type PTEN. While PTEN lies upstream of the phosphoinositide-3 kinase signaling pathway, the mechanisms that mediate its effects o...
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ژورنال
عنوان ژورنال: California Agriculture
سال: 1997
ISSN: 0008-0845
DOI: 10.3733/ca.v051n03p6